diff --git a/nixos/modules/security/tpm2.nix b/nixos/modules/security/tpm2.nix
index 1fefc8f38adc..a8e6efdc780f 100644
--- a/nixos/modules/security/tpm2.nix
+++ b/nixos/modules/security/tpm2.nix
@@ -380,7 +380,7 @@ in
       {
         environment.etc."tpm2-tss/fapi-config.json".source = fapiConfig;
         systemd.tmpfiles.rules = [
-          "d ${cfg.fapi.logDir} 2750 tss ${cfg.tssGroup} -"
+          "d ${cfg.fapi.logDir} 2750 ${cfg.tssUser} ${cfg.tssGroup} -"
           "d ${cfg.fapi.systemDir} 2750 root ${cfg.tssGroup} -"
         ];
       }